MatrixIO Recorder

 1 #!/bin/bash
 2 # record HDD Microphone 5 seconds for health status, convert and put to index.html
 3 cd ~/matrixOne/ui/sounds/
 4 ./.recorder
 5 for f in *.raw; do sox -r 16000 -e signed -b 16 -c 1 "$f" "${f%.*}.wav"; done
 6 sox -m *.wav out.wav
 7 sleep 1
 8 sox out.wav audio.dat #create plaintext file of amplitude values
 9 tail -n+3 audio.dat > audio_only.dat #remove comments
10 gnuplot audio.gpi #run script
11 #sox -t wav -r 16000 -c 1 out.wav -t mp3 out.mp3
12 lame -b 32 --resample 16 -a out.wav $(date "+%Y.%m.%d-%H.%M.%S").mp3
13 sleep 3
14 rm *.dat
15 rm *.wav
16 rm *.raw
17 java -jar /home/pi/html4tree/build/libs/html4tree.jar /home/pi/matrixOne/ui/sounds/ --max-level 0